普通鲤鱼是养鱼场最常养的鱼种.Common cup carp are a popular choice for a fish pond farm.不同鱼种的行为和颜色各不相同.The species differ in their behavior and coloration.神仙鱼是易于饲养的慈鲷科鱼种.Angelfish are an easy - to - keep cichlid species....
使尺子与纸张的中部成一条直线.Align the ruler and the middle of the paper.他在纸张的两面都写字以节省用纸.He writes on both sides of the sheet to conserve paper.他把纸张的顺序弄乱了.He jumbled the pages in the paper....
Seniors over 65 begin hypo - functioning and change their need for home products.65岁以上的老年人生理机能开始衰退,对于生活用品的需求也发生变化.When will the next term begin?下学期什么时候开学?The scheme, due to begin next month, will be voluntary.定于下个月开始实施的方...